Dinosaur Cosmics

https://explainxkcd.com/3012/

They had BETTER make this a sample return mission.

https://explainxkcd.com/3011/

There's a maximum likelihood that I'm doing phylogenetics wrong.

https://explainxkcd.com/3010/

"10 minutes ago we were down to only 2 0s!" "How many do we have now?" "I ... don't know!!"

https://explainxkcd.com/3009/

These rocks are from a time before eyes, brains, and bones, pieces of a land warmed by an unseen sun.

https://explainxkcd.com/3008/

Original static webpage version: https://what-if.xkcd.com/13/

"One popular strategy is to enter an emotional spiral. Could that be the right approach? We contacted several researchers who are experts in emotional spirals to ask them, but none of them were in a state to speak with us."

https://explainxkcd.com/3007/

Though they do appreciate how much he improved the heating system for the flame pit.

https://explainxkcd.com/3006/

We were disappointed that the rocket didn't make a THOOOONK noise when it went into the tube, but we're setting up big loudspeakers for future launches to add the sound effect.

https://explainxkcd.com/3005/

well well well, if it isn't a new xkcd

You do have to be careful, though--sometimes, instead of water, you hit this free fuel that you can sell for a lot of money instead.

https://explainxkcd.com/3004/

The number one rule of string manipulation is that you’ve got to specify your encodings.

https://explainxkcd.com/3003/

Disney lore: Canonically, because of how Elsa's abiogenesis powers work, Olaf is an RNA-only organism.

https://explainxkcd.com/3002/

In my new scale, °X, 0 is Earths' record lowest surface temperature, 50 is the global average, and 100 is the record highest, with a linear scale between each point and adjustment every year as needed.

https://explainxkcd.com/3001/

Our experiment will be expensive, but we believe it will produce important spin-offs, especially if we manage to hit the sun from the right angle.

https://explainxkcd.com/3000/

This projection distorts both area and direction, but preserves Melbourne.

https://explainxkcd.com/wiki/index.php/2999:_Bad_Map_Projection:_The_United_Stralia

Original static webpage version: https://what-if.xkcd.com/67/

"It's a real accomplishment to mess up a ravioli recipe badly enough that the resulting incident touches all four quadrants of the NFPA hazard diamond."

explainxkcd.com/2998/

If any of you want to meet some cool local oxygen atoms, I can introduce you!

https://explainxkcd.com/2997/

There's a heated debate over whether the big island of Tierra del Fuego should qualify for membership.

https://explainxkcd.com/2996/

The distinctive 'UCLA comma' and 'Michigan comma' are a long string of commas at the start and end of the sentence respectively.

https://explainxkcd.com/2995/

I see white shores, and beyond it, a far green country under a tequila sunrise.

https://explainxkcd.com/2994/

The Watership Down rabbits removed an additional 0.1 nanometers constructing their warren, although that was mostly soil. British rabbits have historically mined very little coal; the sole rabbit-run coal plant was shut down in the 1990s.

https://explainxkcd.com/2992/

Under quantum tax law, photons sent through a beamsplitter don't actually choose which path they took, or incur a tax burden, until their wavefunction collapses when the power is sold.

https://explainxkcd.com/2991/

Hover text:

Our nucleic acid recovery techinques found a great deal of homo sapiens DNA incorporated into the fossils, particularly the ones containing high levels of resin, leading to the theory that these dinosaurs preyed on the once-dominant primates.

Transcript:

[Three squid-like aliens in a classroom; one alien stands in front of a board covered with minute text and a drawing of a T-Rex skeleton. Two aliens sit on stools watching the teacher alien. The teacher alien on the left is on a raised platform and points at the board with one tentacle.]
Left alien: Species such as triceratops and tyrannosaurus became more rare after the Cretaceous, but they survived to flourish in the late Cenozoic, 66 million years later.
Left alien: Many complete skeletons have been discovered from this era.

[Caption below the panel:]
It's going to be really funny when our museums get buried in sediment.

https://www.xkcd.com/2990/
explainxkcd.com for #2990